Santi Keji

What Santi Keji does

Santi Keji (杭州叁体网络科技有限公司, DBA: 叁体 / 3tee) is a Hangzhou-based software technology services company founded on December 24, 2014, by a core team drawn from Cisco and WebEx with average 15+ years of audio/video communication experience. The company's core product is the Open-AVD SDK (codename "Avatar"), a real-time multi-party audio/video communication software development kit built on WebRTC and HTML5, supporting P2P and hybrid cloud (MCU) architectures, cross-platform deployment across Android, iOS, Windows, Mac, Linux, Vision OS, set-top boxes, smart TVs, Mini Programs and Uni-App, and interoperability with H.323, SIP, VR, drones, IP cameras, and telephone systems. Key technical claims include 2-day SDK integration, up to 70% operational cost reduction via P2P/hybrid cloud architecture, and strong lip-sync/echo cancellation, with 13 years of accumulated video communication R&D and 6 years of WebRTC specialization.

The company targets third-party industry application developers across security, healthcare, education, HR tech, corrections, and cloud services verticals, and serves named customers including Zhejiang Dahua Technology, Shanghai Kangying Medical, Shenzhen Bowei Xuntong, 9191offer, Zhejiang New Xiang Technology, Hangzhou Chuangye Software, and Qiniu Cloud. Santi Keji monetizes primarily through SDK licensing (with multi-year contracts on a quote basis), bundled professional support services, and a proprietary video conferencing product "Jiahui" (佳会) plus a remote medical sub-brand "Titanium Cloud" (钛镁云). The company maintains general offices in Chengdu and Beijing alongside its Hangzhou headquarters and is a member of the China Software Association, Zhejiang Software Association, and Hangzhou Security Association, positioning it for both commercial and government-adjacent opportunities.

Name

Santi Keji

Legal name

杭州叁体网络科技有限公司

Website

https://3tee.cn

Company type

Private

Founded year

2014

Operating status

Operating

Headcount range

1–10 employees

Short description

Santi Keji (杭州叁体网络科技有限公司 / 3tee) is a Hangzhou-based video communication SDK provider, selling its Open-AVD WebRTC-based SDK to third-party enterprise developers across security, healthcare, education, and cloud services in China.

Ownership category

akta.pro rank

Product category

Real-time Video Communication SDK

NAICS

Software Publishers (5132), Custom Computer Programming Services (541511)

SIC

Services-Prepackaged Software (7372), Services-Computer Programming Services (7371)

akta.pro industry

PRIMARYBPAMAOAD

Developer Tooling & SDK Platforms

Business & Public Services/Web, Mobile & Digital Platforms/API Platforms, Integration & Developer Tools

SECONDARYMPAHAJAD

Video Player SDKs & Playback Apps (Web/Mobile/CTV)

Media, Entertainment & Sports/Media Technology & Services (Post-Production, VFX, Animation, Streaming Infrastructure)/OTT/Streaming Platform Technology (CMS, Player SDKs, Apps)

Keywords

• Video communication SDK
• Real-time audio video
• WebRTC integration
• Embedded video SDK
• Video conferencing platform

Headquarters

HQ city

Hangzhou

HQ country

China

HQ region

Asia

Offices3 records

Markets served

GTM type

B2B

Offering type

Software

Cost components

Personnel, Technology or R&D, Infrastructure, Marketing or Sales, Operations

Revenue model

1. SDK Licensing: The company licenses its video communication SDK (Open-AVD SDK) to third-party industry application companies, enabling them to embed real-time audio/video capabilities into their mobile apps, web applications, and smart hardware products. Revenue is generated through SDK licensing fees, with professional support services bundled alongside.
2. Professional Support Services: Alongside SDK licensing, the company provides professional technical support services to help third-party developers integrate the SDK quickly (within 2 days).
3. Proprietary Video Conferencing Product (佳会): The company also offers its own video conferencing product 'Jiahui' (佳会) based on the SDK, serving as both a direct revenue stream and a reference implementation for potential SDK customers.

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels4 records

Core offering

Santi Keji develops and licenses the Open-AVD SDK (叁体视频SDK), a real-time audio/video communication software development kit that enables third-party application companies to embed multi-party audio/video, recording, live streaming, screen sharing, and whiteboard annotation into their mobile apps, web applications, and smart hardware in approximately 2 days. The company also sells a proprietary video conferencing product called Jiahui (佳会) and a remote medical solution called Titanium Cloud (钛镁云), but its core focus and revenue driver is the SDK licensing to enterprise software vendors across security, healthcare, education, and cloud services.

Product overview

Santi Keji offers a suite of video communication SDKs and applications. The core product is the 叁体·视频SDK (Open-AVD SDK), which provides real-time audio/video communication capabilities for embedding into third-party applications. Above this core SDK, the company has built end-user products including 佳会·视频会议 (Jiahui video conferencing) and 钛镁云·远程医疗 (Titanium Cloud remote healthcare). The SDK is complemented by platform-specific development kits for Web, Android, iOS, visionOS, Windows (C++ and C#), Mini Programs, and Uni-App.

Differentiator

Problem solved

Functional benefit

Brands

• 佳会·视频会议: Video conferencing product based on 3tee SDK, marketed as 'good meetings, no download required'.
• 钛镁云·远程医疗
• Open-AVD SDK

Products and services

• Open-AVD SDK (叁体视频SDK, codename Avatar / 阿梵达) Real-time audio/video communication software development kit that third-party industry application companies integrate into their mobile apps, web applications, and smart hardware to add multi-party video, recording, live streaming, screen sharing, and whiteboard annotation. Supports Android/iOS, Windows/MacOS/Linux, and interconnects with H.323, SIP, set-top boxes, smart TVs, VR glasses, drones, IP cameras, and phones. Targets enterprise software vendors in security, healthcare, education, and cloud services.
• Jiahui Video Conferencing (佳会·视频会议) Proprietary network video conferencing product built on top of the Open-AVD SDK, marketed as 'good meetings, no download required' (好会议,免下载). Available as Windows, Android, Web, and iOS apps via v.nice2meet.cn. Functions as both a direct enterprise offering and a reference implementation of the SDK.
• Titanium Cloud Remote Medical (钛镁云·远程医疗) Remote medical services solution built on the Open-AVD SDK, providing telemedicine and remote consultation capabilities for healthcare customers.

Quantifiable outcome

• Reduce development cycle from months to 2 days for embedding video communication
• +3 more outcomes

Named customers7 records

Segments6 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Five partnerships are on record, tiered core and minor.

• 浙江大华股份 (Zhejiang Dahua Technology)coreStrategic or Co-development Partner · 1 January 2015Strategic cooperation with Zhejiang Dahua Technology, a leading video surveillance provider (A-share listed, stock code 002236). 叁体 provided the audio/video engine that helped Dahua rapidly complete its flat command dispatch system for emergency response. The product passed Ministry of Public Security certification and has been deployed nationwide in public security agencies. This was one of the first major deployments of the 叁体 SDK in the government/security sector.
• 深圳博为讯通 (Shenzhen Bowei Xuntong Technology)coreStrategic or Co-development PartnerCooperation with Shenzhen Bowei to develop their '5i Classroom' O2O online education platform. 叁体 helped complete the 'network interaction' and 'network live broadcast' modules. The platform has been adopted by dozens of educational institutions and schools including Zhongcai Hualu Business School, Guangzhou Zhizhi, Xinlicheng, and Guangdong Qinghua.
• 上海康盈 (Shanghai Kangying Medical)coreStrategic or Co-development PartnerPartnership with Shanghai Kangying Medical remote diagnosis and education network. 叁体 supported the upgrade of their remote consultation system using WebRTC and latest audio/video technology. The system is deployed at Shanghai Huashan Hospital, Yuanda Hospital, and Huaqiao Hospital. Cross-border remote consultation services are also being developed, with plans to expand to hundreds of county-level hospitals.
• 欧孚视聘 (9191offer.com)minorStrategic or Co-development PartnerChina's first mobile video recruitment platform. Uses cloud-based video technology to provide efficient recruitment services and more precise career opportunities for enterprises and individuals.
• 浙江新翔科技 (Zhejiang New Xiang Technology)minorStrategic or Co-development PartnerSubsidiary of Beijing New Xiang Weichuang Technology (a New Third Board listed company). 叁体 helped complete video intercom and meeting functions for their NWT-JCZD II intelligent interactive terminal used in detention facilities and prisons. Supports functions including audio/video intercom, meetings, personal medical records, weekly schedule, personal assessment, and legal information.

Scale indicators4 records

Recent moves1 record

Expansion highlights5 records

Direct peers

• Agora: Agora is a leading real-time audio/video communication SDK and API provider serving exactly the same developer-and-ISV customer base as Santi Keji, with comparable WebRTC-based engine, multi-party video, recording, and live streaming capabilities. It is the closest publicly comparable peer and benchmark for the Santi Keji model.
• ZEGOCLOUD (即构科技): ZEGOCLOUD is a Chinese real-time communication cloud provider offering audio/video SDKs targeting mobile apps, web, and smart hardware — directly overlapping with Santi Keji's Open-AVD SDK positioning and vertical go-to-market in China.
• Twilio (Twilio Video / Programmable Video): Twilio Video provides programmable real-time audio/video APIs and SDKs for embedding into web and mobile applications — the global archetype for the developer-facing video SDK business that Santi Keji operates in.
• Vonage Video API (formerly TokBox/OpenTok): Vonage Video API is an embeddable WebRTC-based real-time video platform for developers and enterprises, directly comparable to Santi Keji's Open-AVD SDK in product shape and target customer.

Broad incumbents

• Tencent Cloud TRTC: Tencent Cloud TRTC is a real-time audio/video communication service bundled into Tencent's broader cloud platform. It is a direct substitute for Santi Keji's SDK but with vastly greater scale, integrated infrastructure, and enterprise sales reach.
• Alibaba Cloud RTC: Alibaba Cloud Real-Time Communication is a real-time audio/video service bundled into Alibaba's cloud offering. It competes head-to-head with Santi Keji in China, with the added advantage of integrated IaaS, CDN, and enterprise procurement scale.
• Huawei Cloud Real-Time Communication: Huawei Cloud offers real-time audio/video communication APIs as part of its cloud portfolio, targeting the same enterprise and government customers that Santi Keji serves in China, with strong credibility in localization-sensitive accounts.

Emerging players

• 100ms: 100ms is a developer-focused real-time video/audio infrastructure SDK targeting modern web and mobile applications. It is an emerging competitor with similar PLG/SDK-first motion to Santi Keji, though globally focused.
• Daily.co: Daily.co provides embeddable real-time video calling APIs and SDKs for SaaS and consumer apps, directly comparable to Santi Keji's developer-first go-to-market, primarily serving Western markets.
• EnableX (by vConnect): EnableX offers real-time communication APIs and SDKs for voice, video, and messaging, targeting enterprises and developers in APAC — overlapping with Santi Keji's product scope and regional customer base.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights6 records

Customer concentration

• GitHubgithub.com/3tee

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds1 record

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Santi Keji